Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Javascript¼òÒ×¼ÆÊ±Æ÷£¨ÓÃÀ´¼ÇËã´úÂëµÄÖ´ÐÐʱ¼ä£©

×Ô¼ºÐ´µÄÒ»¸ö¼òÒ×¼ÆÊ±Æ÷£¬ÄܼÇËã´úÂëµÄÖ´ÐÐʱ¼ä£¬»¹¿ÉÒÔÄÃÀ´²âÊÔ´úÂëµÄÖ´ÐÐЧÂÊ¡£
function Counter(){
this.start();
}
Counter.prototype.getTime = function(){
var time = new Date();
return time.getSeconds()*1000+time.getMilliseconds();
}
Counter.prototype.start = function(){
this.counting = true;
this.startTime = this.getTime();
}
Counter.prototype.stop = function(){
if(this.counting == true){
this.counting = false;
this.stopTime = this.getTime();
}
}
Counter.prototype.show = function(){
this.counting==true && this.stop();
this.time = this.stopTime-this.startTime;
document.write('Ö´ÐдúÂ뻨·ÑÁË '+this.time+' ºÁÃë<br>');
this.start();
}
ʹÓÃʾÀýÈçÏ£º
var myCounter = new Counter();
for(var i=0;i<500;i++){
document.write('|');
}
myCounter.show();
var myCounter2 = new Counter();
document.write('<br>');
myCounter2.start(); //ÖØÐ¿ªÊ¼¼ÆÊ±
for(var i=0;i<500;i++){
document.write('*');
}
myCounter2.stop(); //Í£Ö¹¼ÆÊ±
for(var i=0;i<500;i++){
document.write(';');
}
myCounter2.show(); //ÕâÀïÏÔʾµÄʱ¼äÊÇÖ´ÐеÚÒ»´ÎforÑ­»·ËùÓõÄʱ¼ä(¾ÍÊÇÊä³öÒ»ÅÅ*µÄÄǸö)
ÔÚ´´½¨¶ÔÏóºó»á×Ô¶¯¿ªÊ¼¼ÆÊ±¡£
µ÷ÓöÔÏóµÄstart()·½·¨½«ÖØÐ¿ªÊ¼¼ÆÊ±¡£
µ÷ÓÃstop()·½·¨»áÍ£Ö¹¼ÆÊ±¡£
show()·½·¨ÓÃÀ´ÏÔʾ´úÂëÖ´ÐеÄʱ¼ä£¨Èç¹ûµ÷ÓÃshow()·½·¨Ç°Ã»Óе÷Óùýstop()£¬»á×Ô¶¯µ÷ÓÃÒ»´Î£©
¶à¸ö¼ÆÊ±¶ÔÏóÖ®¼ä»¥²»Ó°Ïì¡£
ÒòΪÎÒ»¹ÊǸö²ËÄñ£¬Ï£Íû´ó¼Ò¶ÔÎҵIJ»×ãÖ®´¦µãÆÀÖ¸Õý£¡


Ïà¹ØÎĵµ£º

javascript: ÕýÔò±í´ïʽ

ÕýÔò±í´ïʽ
RegExp(regexp, option)ÀàʵÏÖ,¿ÉÒÔ¼òд³É/regexp/option
option:
g: global, i: ignore case
·½·¨:string.test(regexp),
string.exec(regexp)[·µ»ØËùÓÐÆ¥ÅäµÄµØ·½], string.serch(regexp)[ÕýÔò°æµÄindexOf()],
string.replace(regexp, str|funtion), string.split(regexp)
¼òµ¥Ä£Ê½
Ôª×Ö·û:( [ {
......

JavaScriptÈÕÆÚת»»Îª¶«°ËÇøµÄÈÕÆÚ


                    var sDate = new Date(Date.UTC(arys[0], arys[1] - 1, arys[2]));
                    var eDate = new Date(Date.UTC(arys1[0], arys1[1] - 1, arys1[2]));
......

javascript±äÁ¿×÷ÓÃÓò

±äÁ¿µÄ×÷ÓÃÓòÖ¸µÄÊDZäÁ¿µÄ¿É¼ûÐÔ£¬¶øÉúÃüÖÜÆÚÔò£¨´æ»îÆÚ£©ÔòÊÇ´ÓÁíÒ»¸ö½Ç¶È¿¼²ì±äÁ¿¡£ jsÖбäÁ¿µÄ×÷ÓÃÓò·ÖΪȫ¾Ö±äÁ¿ºÍ¾Ö²¿±äÁ¿£¬º¯ÊýÄÚ¶¨ÒåµÄ³ÆÎª¾Ö²¿±äÁ¿£¬º¯ÊýÍâµÄ³ÆÎªÈ«¾Ö±äÁ¿¡££¨¡°º¯ÊýÍâµÄ³ÆÎªÈ«¾Ö±äÁ¿¡±ÊÇÏà¶ÔµÄ£¬Áí´Ë´¦ÌÖÂÛµÄǰÌáÊÇÓÃvarÏÔʽÉùÃ÷µÄ±äÁ¿£¬º¯ÊýÄÚ²»ÓÃvar¶¨ÒåµÄ±äÁ¿Ä¬ÈÏÊÇÈ«¾Ö±äÁ¿£¬µ±È»ºöÂÔvarÉùÃ÷± ......

½éÉÜÔõÑù½â¾öJavaScriptÒ³ÃæË¢ÐÂÓ뵯³ö´°¿ÚµÄÎÊÌâ¡£

¡¡½éÉÜÔõÑù½â¾öJavaScriptÒ³ÃæË¢ÐÂÓ뵯³ö´°¿ÚµÄÎÊÌâ¡£
¡¡¡¡1.ÎÞÌáʾˢÐÂÍøÒ³
¡¡¡¡´ó¼ÒÓÐûÓз¢ÏÖ£¬ÓÐÐ©ÍøÒ³£¬Ë¢ÐµÄʱºò£¬»áµ¯³öÒ»¸öÌáʾ´°¿Ú£¬µã“È·¶¨”²Å»áˢС£
¡¡¡¡¶øÓеÄÒ³Ãæ²»»áÌáʾ£¬²»µ¯³öÌáʾ´°¿Ú£¬Ö±½Ó¾ÍË¢ÐÂÁË.
¡¡¡¡Èç¹ûÒ³ÃæÃ»ÓÐform£¬Ôò²»»áµ¯³öÌáʾ´°¿Ú¡£Èç¹ûÒ³ÃæÓÐform±íµ¥£¬
¡¡¡¡a)< fo ......

[ת]javascriptÅжÏä¯ÀÀÆ÷ÀàÐÍÓë°æ±¾

ÒªÏëд³ö¿çä¯ÀÀÆ÷µÄjavascript£¬¾Í±ØÐë¶®µÃÐá̽¼¼Êõ¡£ÕâÊÇä¯ÀÀÆ÷´óÕ½ÒÅÁôϵĴóµØÀ×£¬ÊÂÒÑÈç´Ë£¬Ö»ºÃÈÏÃü£¬¹Ô¹Ôд·ÖÖ§½á¹¹°É£¬º¯Êý¾ÍÊÇÕâÑù²»Öª²»¾õÖб䳤µÄ¡£
ÏÈ¿´µ¥Ò»ä¯ÀÀÆ÷µÄÅжϣ¬ÎÒÃÇûÓбØÐëÈ¥ÕÒnavigator.userAgentµÄÂé·³£¬ÎÒÔÚ¹úÍâµÄ²©¿ÍÍøÕ¾ÊÕ¼¯ÁËÈçÏÂhack£¬¶ÌС¾«º·£º
 
ie = !+"\v1" ;
ie ='\v'=='v' ; ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ